2001 It first opened on April 4, 1973, and was destroyed during the September 11, 2001, attacks. The Twin Towers—the original 1 World Trade Center (the North Tower), at 1,368 feet (417 m), and 2 World Trade Center (the South Tower), at 1,362 feet (415.1 m)—were the highest structures in the world at the time of their construction. They were also the largest buildings in the world until 1978 when the World Trade Center in New York City was completed.
Because it is expected that we will want to remember, honor, and respect those who died that day. In fact, the slogan "Never Forget" was created by a group called the National Society of Black Engineers.
It means someone who designs or builds engines or other mechanical devices.
The World Trade Center was built by a company called World Trade Centers Inc. (WTCI). It was designed by Skidmore, Owings & Merrill LLP and constructed by Wilbur Smith Associates, Turner Construction Company, and Otis Elevator Company.
On September 11, 2001, two airplanes crashed into the Twin Towers of the World Trade Center in New York City.
The North Tower The Twin Towers—the original 1 World Trade Center (the North Tower), at 1,368 feet (417 m), and 2 World Trade Center (the South Tower), at 1,362 feet (415.1 m)—were the highest structures in the world at the time of their construction. The World Trade Center (WTC)
| World Trade Center | |
|---|---|
| Topped-out | 1 WTC: December 23, 1970 2 WTC: July 19, 1971 |
The first World Trade Center was made up of the Twin Towers, which debuted in 1973 and were the highest structures in the world at the time. World Trade Center (2001-present)
| World Trade Center | |
|---|---|
| Status | Completed |
| Location | New York City |
| Coordinates | N WCoordinates: N W |
| Groundbreaking | 2002 |
The Twin Towers were part of a seven-building complex in Lower Manhattan, New York City, that formally opened on April 4th, 1973, and lasted until the September 11th, 2001, terrorist attacks. The Twin Towers consisted of one World Trade Center and two World Trade Centers. The original 1,381 feet (427 m) of Broadway between Liberty and Vesey Streets was renamed Freedom Plaza in 2011 after being renovated at a cost of $10 million.
Construction on the Twin Towers began in 1972 and they were completed four years later at a cost of $140 million. The buildings were designed by Skidmore, Owings & Merrill with Edward Durell Stone as lead architect. The complex was called "New York's architectural masterpiece" by then Mayor John Lindsay and was praised for its use of steel instead of stone or brick for its exterior. The main lobby of each tower had an enormous sculpture of alternating bands of gold and silver glass called the "Twin Towers Clock". It took six men five months to create this piece which was commissioned by American Airlines and manufactured by F. Schreiber & Co. of Allentown, Pennsylvania.
The Twin Towers were the world's first high-rise buildings to be constructed from reinforced concrete with interned columns inside to support the heavy floors. The upper floors contained offices and apartments while the lower floors were taken up by parking garages for 2,700 cars.
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